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After Reading This Posted by Ian Glenday [Email] (#95) [Profile/Gallery] (more from Ian Glenday) on Mon, 21 Nov 2005 18:56:22 In Reply to: Re: It has front head and thorax air bags..., davidgmills, Mon, 21 Nov 2005 04:44:27 Members do not see ads below this line. - Help Keep This Site Online - Signup |
looks like the 9-5 has improved SAHR:
"Dual Stage Front Airbags
The 65-liter driver and 145-liter front passenger airbags are designed to help provide an 'occupant-friendly' deployment in frontal impacts. Two sensors in the front bumper beam detect impact severity and a switch in the seat-belt buckles indicates whether or not the belts are being worn. This data is sent to the centrally located SDM which, within milliseconds, chooses between activation of the belt pre-tensioners alone, or in combination with stage 1 or stage 2 inflation of the airbags.
A collision with a relatively low level of impact energy would, for example, likely require less airbag pressure and, therefore, a slower rate of inflation (stage 1) than a more severe, high-energy impact (stage 2).
Head/Thorax Side Airbags
To help provide further side impact protection, double action head/thorax airbags are mounted in outboard edge of the front seat-backs. This ensures they are in position irrespective of how the seat is adjusted. They have two 20-liter sections, the lower one designed to protect the rib cage and the upper part helping to provide head protection.
When activated, the lower section inflates first to help protect the occupant’s rib cage, usually first part of the body to feel the force an impact. As soon as the rib cage comes into contact with the lower part of the airbag, gas is displaced upwards. The gas then fills the upper section of the airbag, helping to protect the occupant’s head, which is usually a little further away from the car's side structure at the moment of impact."
from the Saab Media Site
Ian
_______________________________________ Ian 1959 93b 1967 96V4 1968 99 1974 99L 1988 900S 1988 900 1994 900S 1996 900S 1999 9-5SE, 2.3lpt 1995 9000 CSE 2006 9-3SC, 2.0T
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